We have an recorded vocal on One Track and We have background music on another track bellow.The Recorded track plays fine but background music is breaking. We have change background music and checked but same result with all music. We have uninstalled and install in another PC,but same problem and also while closing that file Vegas crashes.Please help as soon as possible.We are using Sony Vegas 11.0 HD Platinum (Build 322) Attached Is the File.We cannot attach the audio file.(It is very heavy.file size 88MB)